<!DOCTYPE HTML>
<html >
<head>
    <title>商品详情</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <!-- jquery -->
    <script type="text/javascript" src="/js/jquery.min.js"></script>
    <!-- bootstrap -->
    <link rel="stylesheet" type="text/css" href="/bootstrap/css/bootstrap.min.css" />
    <script type="text/javascript" src="/bootstrap/js/bootstrap.min.js"></script>
    <!-- jquery-validator -->
    <script type="text/javascript" src="/jquery-validation/jquery.validate.min.js"></script>
    <script type="text/javascript" src="/jquery-validation/localization/messages_zh.min.js"></script>
    <!-- layer -->
    <script type="text/javascript" src="/layer/layer.js"></script>
    <!-- md5.js -->
    <script type="text/javascript" src="/js/md5.min.js"></script>
    <!-- common.js -->
    <script type="text/javascript" src="/js/common.js"></script>
</head>
<body>

<div class="panel panel-default">
  <div class="panel-heading">秒杀商品详情</div>
  <div class="panel-body">
  	<span id="userTip"> 您还没有登录，请登陆后再操作<br/></span>
  	<span>没有收货地址的提示。。。</span>
  </div>
  <table class="table" id="goodslist">
  	<tr>  
        <td>商品名称</td>  
        <td colspan="3" id="goodsName"></td> 
     </tr>  
     <tr>  
        <td>商品图片</td>  
        <td colspan="3"><img  id="goodsImg" width="200" height="200" /></td>  
     </tr>
     <tr>  
        <td>秒杀开始时间</td>  
        <td id="startTime"></td>
        <td >	
        	<input type="hidden" id="remainSeconds" />
        	<span id="miaoshaTip"></span>
        </td>
        <td>
        <!--  
        	<form id="miaoshaForm" method="post" action="/miaosha/do_miaosha">
        		<button class="btn btn-primary btn-block" type="submit" id="buyButton">立即秒杀</button>
        		<input type="hidden" name="goodsId"  id="goodsId" />
        	</form>-->
            <div class="row">
                <div class="form-inline">
                    <img id="verifyCodeImg" width="80" height="32"  style="display:none" onclick="refreshVerifyCode()"/>
                    <input id="verifyCode"  class="form-control" style="display:none"/>
                    <button class="btn btn-primary btn-block" type="button" id="buyButton"onclick="getMiaoshaPath()">立即秒杀</button>
                </div>
            </div>
            <input type="hidden" name="goodsId"  id="goodsId" />
        </td>
     </tr>
     <tr>  
        <td>商品原价</td>  
        <td colspan="3" id="goodsPrice"></td>  
     </tr>
      <tr>  
        <td>秒杀价</td>  
        <td colspan="3"  id="miaoshaPrice"></td>  
     </tr>
     <tr>  
        <td>库存数量</td>  
        <td colspan="3"  id="stockCount"></td>  
     </tr>
  </table>
</div>
</body>
<script>

    /**
     * 获取商品是否被秒杀
     * @param goodsId
     */
    function getMiaoshaResult(goodsId){
    g_showLoading();
    $.ajax({
        url:"/miaosha/result",
        type:"GET",
        data:{
            goodsId:$("#goodsId").val(),
        },
        success:function(data){
            if(data.code == 0){
                var result = data.data;
                if(result < 0){
                    layer.msg("对不起，秒杀失败");
                }else if(result == 0){//继续轮询
                    setTimeout(function(){
                        getMiaoshaResult(goodsId);
                    }, 500);
                }else{
                    layer.confirm("恭喜你，秒杀成功！查看订单？", {btn:["确定","取消"]},
                        function(){
                            window.location.href="/order_detail.htm?orderId="+result;
                        },
                        function(){
                            layer.closeAll();
                        });
                }
            }else{
                layer.msg(data.msg);
            }
        },
        error:function(){
            layer.msg("客户端请求有误");
        }
    });
}

/**
 * 秒杀之前先判断验证码和path令牌是否正确
 * */
    function getMiaoshaPath(){
        var goodsId = $("#goodsId").val();
        g_showLoading();
        $.ajax({
            url:"/miaosha/path",
            type:"GET",
            data:{
                goodsId:goodsId,
                verifyCode:$("#verifyCode").val()
            },
            success:function(data){
                if(data.code == 0){
                    var path = data.data;
                    doMiaosha(path);
                }else{
                    layer.msg(data.msg);
                }
            },
            error:function(){
                layer.msg("客户端请求有误");
            }
        });
    }

    /**
     * 开始秒杀
     */
    function doMiaosha(path){
	$.ajax({
		url:"/miaosha/do_miaosha/"+path,
		type:"POST",
		data:{
			goodsId:$("#goodsId").val(),
		},
		success:function(data){
			if(data.code == 0){
			    //alert(data.data.id)
				//window.location.href="/order_detail.htm?orderId="+data.data.id;
                getMiaoshaResult($("#goodsId").val());
			}else{
                //alert(data.data.toString());
				layer.msg(data.msg);
			}
		},
		error:function(){
			layer.msg("客户端请求有误");
		}
	});
	
}

function render(detail){
	var miaoshaStatus = detail.miaoshaStatus;
	var  remainSeconds = detail.remainSeconds;
	var goods = detail.goods;
	var user = detail.user;
	if(user){
		$("#userTip").hide();
	}
	$("#goodsName").text(goods.goodsName);
	$("#goodsImg").attr("src", goods.goodsImg);
	$("#startTime").text(new Date(goods.startDate).format("yyyy-MM-dd hh:mm:ss"));
	$("#remainSeconds").val(remainSeconds);
	$("#goodsId").val(goods.id);
	$("#goodsPrice").text(goods.goodsPrice);
	$("#miaoshaPrice").text(goods.miaoshaPrice);
	$("#stockCount").text(goods.stockCount);
	countDown();
}

$(function(){
	//countDown();
	getDetail();

});

function getDetail(){
	var goodsId = g_getQueryString("goodsId");
	$.ajax({
		url:"/goods/detail/"+goodsId,
		type:"GET",
		success:function(data){
			if(data.code == 0){
				render(data.data);
			}else{
				layer.msg(data.msg);
			}
		},
		error:function(){
			layer.msg("客户端请求有误");
		}
	});
}

function countDown(){
	var remainSeconds = $("#remainSeconds").val();
	var timeout;
	if(remainSeconds > 0){//秒杀还没开始，倒计时
		$("#buyButton").attr("disabled", true);
	   $("#miaoshaTip").html("秒杀倒计时："+remainSeconds+"秒");
		timeout = setTimeout(function(){
			$("#countDown").text(remainSeconds - 1);
			$("#remainSeconds").val(remainSeconds - 1);
			countDown();
		},1000);
	}else if(remainSeconds == 0){//秒杀进行中
		$("#buyButton").attr("disabled", false);
		if(timeout){
			clearTimeout(timeout);
		}
        $("#miaoshaTip").html("秒杀进行中");
        $("#verifyCodeImg").attr("src", "/miaosha/verifyCode?goodsId="+$("#goodsId").val());//生成验证码
        $("#verifyCodeImg").show();
        $("#verifyCode").show();
	}else{//秒杀已经结束
		$("#buyButton").attr("disabled", true);
		$("#miaoshaTip").html("秒杀已经结束");
        $("#verifyCodeImg").hide();
        $("#verifyCode").hide();
	}
}

//刷新验证码
function refreshVerifyCode(){
    $("#verifyCodeImg").attr("src", "/miaosha/verifyCode?goodsId="+$("#goodsId").val()+"&timestamp="+new Date().getTime());
}

// 获取url参数
function g_getQueryString(name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
    var r = window.location.search.substr(1).match(reg);
    if(r != null) return unescape(r[2]);
    return null;
}

//设定时间格式化函数，使用new Date().format("yyyyMMddhhmmss");
Date.prototype.format = function (format) {
    var args = {
        "M+": this.getMonth() + 1,
        "d+": this.getDate(),
        "h+": this.getHours(),
        "m+": this.getMinutes(),
        "s+": this.getSeconds(),
    };
    if (/(y+)/.test(format))
        format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    for (var i in args) {
        var n = args[i];
        if (new RegExp("(" + i + ")").test(format))
            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? n : ("00" + n).substr(("" + n).length));
    }
    return format;
}
</script>
</html>
